contexts have been disposed.
Review URL: http://codereview.chromium.org/661173
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3971
ce2b1a6d-e550-0410-aec6-
3dcde31c8c00
*/
static void LowMemoryNotification();
+ /**
+ * Optional notification that one or more context have been
+ * disposed. V8 may choose to collect garbage to get rid of any
+ * external memory associated with the disposed contexts.
+ */
+ static void ContextDisposedNotification();
+
private:
V8();
}
+void v8::V8::ContextDisposedNotification() {
+ if (!i::V8::IsRunning()) return;
+ i::Heap::CollectAllGarbageIfContextDisposed(true);
+}
+
+
const char* v8::V8::GetVersion() {
static v8::internal::EmbeddedVector<char, 128> buffer;
v8::internal::Version::GetString(buffer);
// decide when should make a full GC.
#else
// Give the heap a chance to cleanup if we've disposed contexts.
- i::Heap::CollectAllGarbageIfContextDisposed();
+ i::Heap::CollectAllGarbageIfContextDisposed(false);
#endif
v8::Handle<ObjectTemplate> proxy_template = global_template;
i::Handle<i::FunctionTemplateInfo> proxy_constructor;
}
-void Heap::CollectAllGarbageIfContextDisposed() {
+void Heap::CollectAllGarbageIfContextDisposed(bool notified) {
+ // If the request has ever been the result of an explicit
+ // notification, we ignore non-notified requests. This is a
+ // temporary solution to let the two ways of achieving GC at
+ // context disposal time co-exist.
+ static bool ever_notified = false;
+ if (notified) ever_notified = true;
+ if (ever_notified && !notified) return;
+
// If the garbage collector interface is exposed through the global
// gc() function, we avoid being clever about forcing GCs when
// contexts are disposed and leave it to the embedder to make
// informed decisions about when to force a collection.
- if (!FLAG_expose_gc && context_disposed_pending_) {
+ if (!FLAG_expose_gc && (notified || context_disposed_pending_)) {
HistogramTimerScope scope(&Counters::gc_context);
CollectAllGarbage(false);
}
// Performs a full garbage collection if a context has been disposed
// since the last time the check was performed.
- static void CollectAllGarbageIfContextDisposed();
+ static void CollectAllGarbageIfContextDisposed(bool notified);
// Notify the heap that a context has been disposed.
static void NotifyContextDisposed();